Skip to main content

Table 2 Xylose fermentation parameters obtained in SMM with 40 g l−1 xylose at 56 h

From: Bacterial xylose isomerases from the mammal gut Bacteroidetes cluster function in Saccharomyces cerevisiae for effective xylose fermentation

Strains

Xylose conversion

Cell biomass

Ethanol

Ethanol yield

Average specific consumption/production rates

(%)

(g l−1)

(g l−1)

(g g−1)

g gcdw −1 h−1

    

Xylose

Ethanol

Glycerol

36a(Bvu)

71.42 ± 1.49

2.23 ± 0.02

11.43 ± 0.09

0.400 ± 0.001

0.324 ± 0.008

0.130 ± 0.001

0.012 ± 0.001

36a(XIq)

66.09 ± 0.26

2.91 ± 0.03

9.64 ± 0.06

0.365 ± 001

0.241 ± 0.001

0.088 ± 0.001

0.004 ± 0.000

36a(TAA)

63.30 ± 0.38

1.96 ± 0.02

10.15 ± 0.29

0.400 ± 0.009

0.333 ± 0.000

0.134 ± 0.004

0.013 ± 0.001

36a(HGB5)

76.68 ± 0.64

2.95 ± 0.04

12.27 ± 0.23

0.400 ± 0.004

0.261 ± 0.002

0.104 ± 0.002

0.002 ± 0.000

36a(YIT)

64.17 ± 0.05

2.22 ± 0.02

9.93 ± 0.16

0.387 ± 0.007

0.314 ± 0.000

0.121 ± 0.002

0.010 ± 0.000

39a(Bvu)

92.13 ± 0.42

1.26 ± 0.11

16.67 ± 0.08

0.419 ± 0.003

0.662 ± 0.057

0.277 ± 0.022

0.036 ± 0.003

39a(XIq)

78.26 ± 4.20

1.03 ± 0.07

13.82 ± 0.98

0.409 ± 0.014

0.721 ± 0.045

0.295 ± 0.008

0.030 ± 0.005

39a(TAA)

94.47 ± 3.82

1.67 ± 0.03

16.35 ± 0.34

0.401 ± 0.006

0.532 ± 0.011

0.213 ± 0.001

0.027 ± 0.001

39a(HGB5)

89.98 ± 2.08

1.24 ± 0.05

15.63 ± 0.30

0.402 ± 0.005

0.704 ± 0.005

0.283 ± 0.006

0.038 ± 0.001

39a(YIT)

91.39 ± 0.35

1.40 ± 0.01

16.27 ± 0.01

0.412 ± 0.005

0.586 ± 0.002

0.242 ± 0.004

0.031 ± 0.001